Julio is the department head for his company's customer service department. His staff has complained that they spend countless hours answering the same questions over and over again. Julio has explored telecommunications technologies and has found one that will provide a way to answer customers' questions without calling the representatives. This tool is less expensive and easier to maintain than a Web site. It will allow his company to post FAQs that his customers can access at any time, from wherever they have an Internet connection. Julio has prepared a report to present to the board of directors recommending that the company use this technology. What technology will Julio recommend? 1. a blog 2.e-mail 3.a fax machine 4.a wiki